R

Ram Sharma • 193.88K Points
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Q. When one of the fluids is highly corrosive and has fouling tendency, it should

  • (A) Preferably flow inside the tube for its easier internal cleaning
  • (B) Perferably flow outside the tube
  • (C) Flow at a very slow velocity
  • (D) Flow outside the tube, when the flow is counter-current and inside the tube when the flow is co-current
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